DTC P0A7A-324: Generator Inverter Performance [11/2016 - ]: Procedure
- CHECK DTC OUTPUT (HYBRID CONTROL)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
- Check for DTCs.
Powertrain > Hybrid Control > Trouble Codes
NOTE:- If P0A7A-203 is output, troubleshoot it first. After completing the troubleshooting for P0A7A-203, perform troubleshooting for this DTC.
- Parts repaired or replaced during troubleshooting for P0A7A-203 do not need to be re-inspected in this diagnostic procedure.
- Turn the power switch off.
Result:
P0A7A-203 is also output.
Refer to DTC P0A7A-203: Generator Inverter Performance [11/2016 - ]
Result:
P0A7A-203 is not output.
See step 2
- CHECK DTC OUTPUT (HYBRID CONTROL)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
- Check for DTCs.
Powertrain > Hybrid Control > Trouble Codes
HINT:
- If P0A7A-203 was not output in step 1 of this diagnostic procedure, check Table 1 below.
- If P0A7A-203 was output in step 1 of this diagnostic procedure, diagnose that DTC first, then check Table 2 below.
TABLE 1Relevant DTC P06B0-163 Sensor Power Supply "A" Circuit / Open P06D6-511 Sensor Reference Voltage "F" Circuit / Open P06E6-164 Sensor Power Supply "C" Circuit / Open P0A1A-151, 166, 517, 658, 791, 809 Generator Control Module P0A1B-198, 503, 505, 547, 554, 786, 794, 806 Drive Motor "A" Control Module P0A1C-118, 124, 169, 693, 709, 710, 713, 797, 812 Drive Motor "B" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500, 504, 506, 549, 556, 808 Drive Motor "A" Position Sensor Circuit Range / Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A45-669 Drive Motor "B" Position Sensor Circuit P0A46-120, 126, 171, 671, 695, 814 Drive Motor "B" Position Sensor Circuit Range / Performance P0A47-670 Drive Motor "B" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513, 518, 811 Generator Position Sensor Circuit Range / Performance P0A4D-255 Generator Position Sensor Circuit Low P0A78-113, 128, 279, 284, 287, 548, 555, 807 Drive Motor "A" Inverter Performance P0A79-119, 125, 136, 170, 692, 694, 712, 813 Drive Motor "B" Inverter Performance P0A7A-122, 130, 322, 325, 810 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A91-702 Drive Motor "B" Performance P0A92-521 Hybrid Generator Performance P0BEA-290 Drive Motor "A" Phase V Current Sensor Circuit Range / Performance P0BEE-298 Drive Motor "A" Phase W Current Sensor Circuit Range / Performance P0BF6-683 Drive Motor "B" Phase V Current Sensor Circuit Range / Performance P0BFA-685 Drive Motor "B" Phase W Current Sensor Circuit Range / Performance P0C19-306 Drive Motor "A" Torque Delivered Performance P0C1A-704 Drive Motor "B" Torque Delivered Performance P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid Battery System Discharge Time Too Long P0CA3-442 DC/DC Converter Step Up Voltage Performance P0D2E-586 Drive Motor "A" Inverter Voltage Sensor Circuit Range / Performance P0D2F-266 Drive Motor "A" Inverter Voltage Sensor Circuit Low P0D30-267 Drive Motor "A" Inverter Voltage Sensor Circuit High P0E05-328 Generator Phase V Current Sensor Circuit Range / Performance P0E09-336 Generator Phase W Current Sensor Circuit Range / Performance P0E32-585 DC/DC Converter Voltage Sensor "A" Range / Performance P0E33-589 DC/DC Converter Voltage Sensor "A" Low P0E34-590 DC/DC Converter Voltage Sensor "A" High P0E71-344 Generator Torque Delivered Performance P1C2A-155 Generator A/D Converter Circuit P1C2B-192 Drive Motor "A" A/D Converter Circuit P1C2C-706 Drive Motor "B" A/D Converter Circuit P1C2D-587 Hybrid Battery Voltage / DC/DC Converter Voltage Correlation P1C3C-294 Drive Motor "A" Phase V Current Sensor Correlation P1C3D-302 Drive Motor "A" Phase W Current Sensor Correlation P1C3E-333 Generator Phase V Current Sensor Correlation P1C3F-341 Generator Phase W Current Sensor Correlation P1C4A-288 Drive Motor "A" Phase V Current Sensor Sub Circuit Range / Performance P1C4F-296 Drive Motor "A" Phase W Current Sensor Sub Circuit Range / Performance P1C54-326 Generator Phase V Current Sensor Sub Circuit Range / Performance P1C59-334 Generator Phase W Current Sensor Sub Circuit Range / Performance P1C6D-501 Drive Motor "A" Phase V Current Sensor Offset Range / Performance P1C6E-502 Drive Motor "A" Phase W Current Sensor Offset Range / Performance P1C6F-688 Drive Motor "B" Phase V Current Sensor Offset Range / Performance P1C70-689 Drive Motor "B" Phase W Current Sensor Offset Range / Performance P1C71-515 Generator Phase V Current Sensor Offset Range / Performance P1C72-516 Generator Phase W Current Sensor Offset Range / Performance P1C73-512 Sensor Standard Voltage "F" Circuit / Open P1CA6-156 Generator Control Module Malfunction P1CA7-193 Drive Motor Control Module Malfunction P1CA8-708 Drive Motor "B" Control Module Malfunction P1CAC-200 Generator Position Sensor Angle Malfunction P1CAD-168 Drive Motor "A" Position Sensor Angle Malfunction P1CAE-715 Drive Motor "B" Position Sensor Angle Malfunction P1CAF-792 Generator Position Sensor REF Signal Cycle Malfunction P1CB0-795 Drive Motor "A" Position Sensor REF Signal Cycle Malfunction P1CB1-798 Drive Motor "B" Position Sensor REF Signal Cycle Malfunction P1CB2-793 Generator Position Sensor REF Signal Stop Malfunction P1CB3-796 Drive Motor "A" Position Sensor REF Signal Stop Malfunction P1CB4-799 Drive Motor "B" Position Sensor REF Signal Stop Malfunction P3133-659 Communication Error from Generator to Drive Motor "A" P3134-661 Communication Error from Drive Motor "A" to Generator P314A-828 Inverter Coolant Pump Speed Signal P33C1-684 Drive Motor "B" Phase V Current Sensor Sub Circuit Range / Performance P33C6-686 Drive Motor "B" Phase W Current Sensor Sub Circuit Range / Performance P33D8-677 Drive Motor "B" Phase V Current Sensor Correlation P33D9-678 Drive Motor "B" Phase W Current Sensor Correlation TABLE 2Relevant DTC P06B0-163 Sensor Power Supply "A" Circuit / Open P06D6-511 Sensor Reference Voltage "F" Circuit / Open P06E6-164 Sensor Power Supply "C" Circuit / Open P0A1A-151, 166, 517, 658, 791, 809 Generator Control Module P0A1B-198, 503, 505, 547, 554, 786, 794, 806 Drive Motor "A" Control Module P0A1C-118, 124, 169, 693, 709, 710, 713, 797, 812 Drive Motor "B" Control Module P0A1D (all INF codes)*1 Hybrid Powertrain Control Module P0A3F-243 Drive Motor "A" Position Sensor Circuit P0A40-500, 504, 506, 549, 556, 808 Drive Motor "A" Position Sensor Circuit Range / Performance P0A41-245 Drive Motor "A" Position Sensor Circuit Low P0A45-669 Drive Motor "B" Position Sensor Circuit P0A46-120, 126, 171, 671, 695, 814 Drive Motor "B" Position Sensor Circuit Range / Performance P0A47-670 Drive Motor "B" Position Sensor Circuit Low P0A4B-253 Generator Position Sensor Circuit P0A4C-513, 518, 811 Generator Position Sensor Circuit Range / Performance P0A4D-255 Generator Position Sensor Circuit Low P0A78-113, 128, 279, 284, 287, 548, 555, 807 Drive Motor "A" Inverter Performance P0A79-119, 125, 136, 170, 692, 694, 712, 813 Drive Motor "B" Inverter Performance P0A7A-122, 130, 322, 325, 810 Generator Inverter Performance P0A90-509 Drive Motor "A" Performance P0A91-702 Drive Motor "B" Performance P0BEA-290 Drive Motor "A" Phase V Current Sensor Circuit Range / Performance P0BEE-298 Drive Motor "A" Phase W Current Sensor Circuit Range / Performance P0BF6-683 Drive Motor "B" Phase V Current Sensor Circuit Range / Performance P0BFA-685 Drive Motor "B" Phase W Current Sensor Circuit Range / Performance P0C19-306 Drive Motor "A" Torque Delivered Performance P0C1A-704 Drive Motor "B" Torque Delivered Performance P0C73-776 Motor Electronics Coolant Pump "A" Control Performance P0C76-523 Hybrid Battery System Discharge Time Too Long P0CA3-442 DC/DC Converter Step Up Voltage Performance P0D2E-586 Drive Motor "A" Inverter Voltage Sensor Circuit Range / Performance P0D2F-266 Drive Motor "A" Inverter Voltage Sensor Circuit Low P0D30-267 Drive Motor "A" Inverter Voltage Sensor Circuit High P0E32-585 DC/DC Converter Voltage Sensor "A" Range / Performance P0E33-589 DC/DC Converter Voltage Sensor "A" Low P0E34-590 DC/DC Converter Voltage Sensor "A" High P1C2A-155 Generator A/D Converter Circuit P1C2B-192 Drive Motor "A" A/D Converter Circuit P1C2C-706 Drive Motor "B" A/D Converter Circuit P1C2D-587 Hybrid Battery Voltage / DC/DC Converter Voltage Correlation P1C3C-294 Drive Motor "A" Phase V Current Sensor Correlation P1C3D-302 Drive Motor "A" Phase W Current Sensor Correlation P1C3E-333 Generator Phase V Current Sensor Correlation P1C3F-341 Generator Phase W Current Sensor Correlation P1C4A-288 Drive Motor "A" Phase V Current Sensor Sub Circuit Range / Performance P1C4F-296 Drive Motor "A" Phase W Current Sensor Sub Circuit Range / Performance P1C6D-501 Drive Motor "A" Phase V Current Sensor Offset Range / Performance P1C6E-502 Drive Motor "A" Phase W Current Sensor Offset Range / Performance P1C6F-688 Drive Motor "B" Phase V Current Sensor Offset Range / Performance P1C70-689 Drive Motor "B" Phase W Current Sensor Offset Range / Performance P1C73-512 Sensor Standard Voltage "F" Circuit / Open P1CA6-156 Generator Control Module Malfunction P1CA7-193 Drive Motor Control Module Malfunction P1CA8-708 Drive Motor "B" Control Module Malfunction P1CAC-200 Generator Position Sensor Angle Malfunction P1CAD-168 Drive Motor "A" Position Sensor Angle Malfunction P1CAE-715 Drive Motor "B" Position Sensor Angle Malfunction P1CAF-792 Generator Position Sensor REF Signal Cycle Malfunction P1CB0-795 Drive Motor "A" Position Sensor REF Signal Cycle Malfunction P1CB1-798 Drive Motor "B" Position Sensor REF Signal Cycle Malfunction P1CB2-793 Generator Position Sensor REF Signal Stop Malfunction P1CB3-796 Drive Motor "A" Position Sensor REF Signal Stop Malfunction P1CB4-799 Drive Motor "B" Position Sensor REF Signal Stop Malfunction P3133-659 Communication Error from Generator to Drive Motor "A" P3134-661 Communication Error from Drive Motor "A" to Generator P314A-828 Inverter Coolant Pump Speed Signal P33C1-684 Drive Motor "B" Phase V Current Sensor Sub Circuit Range / Performance P33C6-686 Drive Motor "B" Phase W Current Sensor Sub Circuit Range / Performance P33D8-677 Drive Motor "B" Phase V Current Sensor Correlation P33D9-678 Drive Motor "B" Phase W Current Sensor Correlation HINT:
- *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic procedure.
- P0A7A-324 may be stored due to a malfunction which also causes DTCs in the preceding tables to be stored. In this case, first troubleshoot the output DTCs in the preceding tables. After troubleshooting and repairing all output DTCs, be sure to replace the inverter with converter assembly.
- Turn the power switch off.
Result Proceed to P0A7A-324 only is output, or DTCs except the ones in the tables below are also output. A Any of the above DTCs are also output (see chart above). B Result:
B
Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2016 - 10/2017] or DIAGNOSTIC TROUBLE CODE CHART [10/2017 - ]
Result:
A
See step 3
- CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR)
Refer to PROCEDURE - Step 3
Result Proceed to OK A NG (The connector is not connected securely.) B NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) C Result:
B
CONNECT SECURELY
Result:
C
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
A
See step 4
- CHECK QUANTITY OF HV COOLANT
Refer to PROCEDURE - Step 3
Result Proceed to No leaks are found and the HV coolant level in the inverter reserve tank assembly is above the low line. A No leaks are found and the HV coolant level in the inverter reserve tank assembly is below the low line. B HV coolant leaks are evident. C Result:
B
ADD HV COOLANT
Result:
C
INSPECT FOR HV COOLANT LEAK AND ADD HV COOLANT
Result:
A
See step 5
- CHECK COOLANT HOSE
Refer to PROCEDURE - Step 4
Result:
NG
REPAIR OR REPLACE COOLANT HOSE
Result:
OK
See step 6
- PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE ELECTRIC COOLING FAN)
Refer to PROCEDURE - Step 5
Result:
NG
CHECK COOLING FAN SYSTEM. Refer to Cooling Fan Circuit [11/2016 - ]
Result:
OK
See step 7
- CHECK HV COOLANT (CHECK FOR CONDITIONS THAT MAY HAVE CAUSED FREEZING)
Refer to PROCEDURE - Step 16
Result Proceed to Ambient Temperature value is above freezing temperature of the HV coolant. A Ambient Temperature value is below freezing temperature of the HV coolant. B Result:
B
See step 29
Result:
A
See step 8
- CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - GENERATOR RESOLVER)
Refer to PROCEDURE - Step 3 or PROCEDURE - Step 3
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 9
- CHECK GENERATOR RESOLVER
Refer to PROCEDURE - Step 4 or PROCEDURE - Step 4
Result:
NG
See step 27
Result:
OK
See step 10
- CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - MOTOR RESOLVER)
Refer to PROCEDURE - Step 5 or PROCEDURE - Step 5
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 11
- CHECK MOTOR RESOLVER
Refer to PROCEDURE - Step 6 or PROCEDURE - Step 6
Result:
NG
See step 25
Result:
OK
See step 12
- CHECK INVERTER WITH CONVERTER ASSEMBLY (GENERATOR CABLE CONNECTION CONDITION)
Refer to PROCEDURE - Step 9
Result Proceed to The terminals are connected securely and there are no contact problems. There are no arc marks. A The terminals are not connected securely and there is a contact problem. There are arc marks. B The terminals are not connected securely and there is a contact problem. There are no arc marks. C The terminals are connected securely and there are no contact problems. There are arc marks. B Result:
B
REPLACE MALFUNCTIONING PARTS
Result:
C
CONNECT SECURELY
Result:
A
See step 13
- CHECK INVERTER WITH CONVERTER ASSEMBLY (MOTOR CABLE CONNECTION CONDITION)
Refer to PROCEDURE - Step 10
Result Proceed to The terminals are connected securely and there are no contact problems. There are no arc marks. A The terminals are not connected securely and there is a contact problem. There are arc marks. B The terminals are not connected securely and there is a contact problem. There are no arc marks. C The terminals are connected securely and there are no contact problems. There are arc marks. B Result:
B
REPLACE MALFUNCTIONING PARTS
Result:
C
CONNECT SECURELY
Result:
A
See step 14
- CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG1)
Refer to PROCEDURE - Step 11
Result:
NG
REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY. Refer to COMPONENTS [11/2016 - ]
Result:
OK
See step 15
- CHECK HYBRID VEHICLE TRANSAXLE ASSEMBLY (MG2)
Refer to PROCEDURE - Step 12
Result:
NG
REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY. Refer to COMPONENTS [11/2016 - ]
Result:
OK
See step 16
- CHECK FUSE (PCU)
Refer to PROCEDURE - Step 13
Result:
NG
See step 22
Result:
OK
See step 17
- CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY POWER SOURCE CIRCUIT)
Refer to PROCEDURE - Step 14
Result:
NG
REPAIR OR REPLACE POWER SOURCE CIRCUIT
Result:
OK
See step 18
- CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - INVERTER WITH CONVERTER ASSEMBLY)
Refer to PROCEDURE - Step 15
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 19
- CHECK HYBRID VEHICLE CONTROL ECU ASSEMBLY
Refer to PROCEDURE - Step 16
Result:
NG
REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to COMPONENTS [11/2016 - ]
Result:
OK
See step 20
- CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR)
Refer to PROCEDURE - Step 9 or PROCEDURE - Step 9
Result Proceed to OK A NG (The connector is not connected securely.) B NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) C Result:
B
CONNECT SECURELY
Result:
C
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
A
See step 21
- CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR)
Refer to PROCEDURE - Step 10 or PROCEDURE - Step 10
Result Proceed to OK A NG (The connector is not connected securely.) B NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) C Result:
A
REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to COMPONENTS [11/2016 - ]
Result:
B
CONNECT SECURELY
Result:
C
REPAIR OR REPLACE HARNESS OR CONNECTOR
- CHECK HARNESS AND CONNECTOR (INVERTER WITH CONVERTER ASSEMBLY - PCU FUSE)
Refer to PROCEDURE - Step 19
Result:
NG
See step 24
Result:
OK
See step 23
- REPLACE INVERTER WITH CONVERTER ASSEMBLY
Refer to COMPONENTS [11/2016 - ]
NEXT
REPLACE FUSE (PCU)
- REPAIR OR REPLACE HARNESS OR CONNECTOR
NEXT
REPLACE FUSE (PCU)
- CHECK CONNECTOR CONNECTION CONDITION (MOTOR RESOLVER CONNECTOR)
Refer to PROCEDURE - Step 14 or PROCEDURE - Step 14
Result Proceed to OK A NG (The connector is not connected securely.) B NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) C Result:
B
CONNECT SECURELY
Result:
C
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
A
See step 26
- INSPECT HYBRID VEHICLE TRANSAXLE ASSEMBLY (MOTOR RESOLVER)
Refer to PROCEDURE - Step 15 or PROCEDURE - Step 15
Result:
OK
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
NG
REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY. Refer to COMPONENTS [11/2016 - ]
- CHECK CONNECTOR CONNECTION CONDITION (GENERATOR RESOLVER CONNECTOR)
Refer to PROCEDURE - Step 16 or PROCEDURE - Step 16
Result Proceed to OK A NG (The connector is not connected securely.) B NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) C Result:
B
CONNECT SECURELY
Result:
C
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
A
See step 28
- INSPECT HYBRID VEHICLE TRANSAXLE ASSEMBLY (GENERATOR RESOLVER)
Refer to PROCEDURE - Step 17 or PROCEDURE - Step 17
Result:
OK
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
NG
REPLACE HYBRID VEHICLE TRANSAXLE ASSEMBLY. Refer to COMPONENTS [11/2016 - ]
- REPLACE HV COOLANT
Refer to PROCEDURE - Step 7